BR8107728A - PROCESS TO REMOVE UREA, AMMONIA AND CARBON DIOXIDE FROM DILUTED AQUEOUS SOLUTIONS - Google Patents

PROCESS TO REMOVE UREA, AMMONIA AND CARBON DIOXIDE FROM DILUTED AQUEOUS SOLUTIONS

Info

Publication number
BR8107728A
BR8107728A BR8107728A BR8107728A BR8107728A BR 8107728 A BR8107728 A BR 8107728A BR 8107728 A BR8107728 A BR 8107728A BR 8107728 A BR8107728 A BR 8107728A BR 8107728 A BR8107728 A BR 8107728A
Authority
BR
Brazil
Prior art keywords
ammonia
carbon dioxide
aqueous solutions
diluted aqueous
remove urea
Prior art date
Application number
BR8107728A
Other languages
Portuguese (pt)
Inventor
Jan Zuidam
Petrus Johannes Marie V Nassau
Pierre Gerard Marie
Bernard Bruls
Kees Jonckers
Original Assignee
Unie Van Kunstmestfab Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unie Van Kunstmestfab Bv filed Critical Unie Van Kunstmestfab Bv
Publication of BR8107728A publication Critical patent/BR8107728A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14Fractional distillation or use of a fractionation or rectification column
    • B01D3/26Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D17/00Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/58Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/586Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/04Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/025Thermal hydrolysis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/048Purification of waste water by evaporation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/58Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Gas Separation By Absorption (AREA)
  • Treating Waste Gases (AREA)
  • Carbon And Carbon Compounds (AREA)
BR8107728A 1980-11-28 1981-11-27 PROCESS TO REMOVE UREA, AMMONIA AND CARBON DIOXIDE FROM DILUTED AQUEOUS SOLUTIONS BR8107728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8006477A NL8006477A (en) 1980-11-28 1980-11-28 METHOD FOR REMOVING UREA, AMMONIA AND CARBON DIOXIDE FROM DILUTED AQUEOUS SOLUTION.

Publications (1)

Publication Number Publication Date
BR8107728A true BR8107728A (en) 1982-08-31

Family

ID=19836250

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8107728A BR8107728A (en) 1980-11-28 1981-11-27 PROCESS TO REMOVE UREA, AMMONIA AND CARBON DIOXIDE FROM DILUTED AQUEOUS SOLUTIONS

Country Status (33)

Country Link
US (1) US4456535A (en)
EP (1) EP0053410B1 (en)
JP (1) JPS57118011A (en)
KR (2) KR830007109A (en)
AU (1) AU547371B2 (en)
BR (1) BR8107728A (en)
CA (1) CA1201726A (en)
CS (1) CS227021B2 (en)
CU (1) CU21419A (en)
DE (1) DE3171612D1 (en)
ES (1) ES8301841A1 (en)
FI (1) FI74947C (en)
GR (1) GR75396B (en)
HU (1) HU188717B (en)
IE (1) IE53218B1 (en)
IL (1) IL64392A (en)
IN (1) IN156310B (en)
MA (1) MA19335A1 (en)
MY (1) MY8600489A (en)
NL (1) NL8006477A (en)
NO (1) NO154749C (en)
NZ (1) NZ199085A (en)
OA (1) OA06958A (en)
PH (1) PH19196A (en)
PL (1) PL134841B1 (en)
PT (1) PT74046B (en)
RO (1) RO83971B (en)
SG (1) SG100285G (en)
SU (1) SU1378781A3 (en)
TR (1) TR21827A (en)
YU (1) YU41999B (en)
ZA (1) ZA818269B (en)
ZW (1) ZW28781A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4522727A (en) * 1984-10-22 1985-06-11 Atec Inc. Process for continuous removal of ammoniacal nitrogen from aqueous streams
AT388157B (en) * 1987-07-16 1989-05-10 Vogelbusch Gmbh METHOD FOR TREATING AMMONIA AND / OR OTHER ODOR-ACTIVE SUBSTANCES AND ORGANICALLY BURNED SOLIDS CONTAINING SOLIDS
NL8702530A (en) * 1987-10-23 1989-05-16 Stamicarbon PROCESS FOR THE PREPARATION OF UREA AND WATER FROM AMMONIA AND CARBON DIOXIDE.
IT1232670B (en) * 1989-09-15 1992-03-02 Snam Progetti PROCEDURE FOR PURIFICATION OF WASTEWATER PRODUCED BY UREA PRODUCTION PLANTS.
EP0538848A1 (en) * 1991-10-23 1993-04-28 Urea Casale S.A. Process and equipment for the hydrolysis of residual urea in the water from urea synthesis plants
US5525237A (en) * 1993-12-23 1996-06-11 United Technologies Corporation Process for removing free and dissolved CO2 from aqueous solutions
US5518626A (en) * 1993-12-23 1996-05-21 United Technologies Corporation Process employing thermally sterilizable aqueous polishing agents
US5597454A (en) * 1995-04-06 1997-01-28 Lee; Jing M. Process for producing urea
KR100398799B1 (en) * 2001-04-04 2003-09-19 한화석유화학 주식회사 Process for treating a waste water containing a nitrous organic components
US6761868B2 (en) * 2001-05-16 2004-07-13 The Chemithon Corporation Process for quantitatively converting urea to ammonia on demand
US7272953B2 (en) * 2002-01-08 2007-09-25 Masterson James A Method and apparatus for separating and neutralizing ammonia
US6755029B2 (en) 2002-01-08 2004-06-29 Marvin Ralph Bertrand, Jr. Ammonia separator and neutralizer
US20040177644A1 (en) * 2002-01-08 2004-09-16 Masterson James A. Method and apparatus for separating and neutralizing ammonia
US6887449B2 (en) * 2002-11-21 2005-05-03 The Chemithon Corporation Method of quantitatively producing ammonia from urea
CN100400430C (en) * 2006-05-18 2008-07-09 刘国胜 Energy saving, purifying and recovering process for urea process condensate
EP2386346A1 (en) 2010-05-11 2011-11-16 Stamicarbon B.V. Process for the reduction of ammonia emissions in a urea manufacturing process
JP6634342B2 (en) * 2016-05-24 2020-01-22 東洋エンジニアリング株式会社 Method and apparatus for treating urea aqueous solution
TWI774812B (en) * 2017-08-11 2022-08-21 荷蘭商安科智諾貝爾化學國際公司 Process for converting cyclic alkylene ureas into their corresponding alkylene amines
DE102019208859A1 (en) * 2019-06-18 2020-12-24 Skw Stickstoffwerke Piesteritz Gmbh Process for the continuous production of pure urea solutions by utilizing process water
CN111137906A (en) * 2020-03-13 2020-05-12 安徽六国化工股份有限公司 Device and method for treating urea dilute urine solution
CN112744945A (en) * 2020-11-30 2021-05-04 安徽金禾实业股份有限公司 Method and device for oxidizing and alkaline hydrolyzing sucralose rectification wastewater

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE146751C (en) *
DE146752C (en) *
US3390058A (en) * 1964-06-08 1968-06-25 Toyo Koatsu Ind Inc Plural stage pressure distillation of urea synthesis effluent with liquified gas addition
ES318356A1 (en) * 1964-10-16 1966-05-16 Toyo Koatsu Ind Incorporated Method of depuration of an effluent in the obtaining of synthetic urea. (Machine-translation by Google Translate, not legally binding)
US4341640A (en) * 1976-09-27 1982-07-27 Standard Oil Company Urea hydrolysis
JPS5826909B2 (en) * 1979-09-14 1983-06-06 東洋エンジニアリング株式会社 Method for concentrating urea aqueous solution

Also Published As

Publication number Publication date
CU21419A (en) 1983-12-21
RO83971B (en) 1984-08-30
NO154749C (en) 1986-12-17
IE53218B1 (en) 1988-09-14
CA1201726A (en) 1986-03-11
YU274181A (en) 1983-02-28
SG100285G (en) 1986-07-18
ES507512A0 (en) 1983-01-01
NO814070L (en) 1982-06-01
PT74046A (en) 1981-12-01
ES8301841A1 (en) 1983-01-01
ZW28781A1 (en) 1982-02-24
PH19196A (en) 1986-01-28
IN156310B (en) 1985-06-22
MA19335A1 (en) 1982-07-01
EP0053410B1 (en) 1985-07-31
KR830007109A (en) 1983-10-14
AU7794181A (en) 1982-06-03
CS227021B2 (en) 1984-04-16
FI813811L (en) 1982-05-29
GR75396B (en) 1984-07-13
HU188717B (en) 1986-05-28
DE3171612D1 (en) 1985-09-05
NL8006477A (en) 1982-06-16
FI74947C (en) 1988-04-11
NO154749B (en) 1986-09-08
AU547371B2 (en) 1985-10-17
EP0053410A1 (en) 1982-06-09
YU41999B (en) 1988-04-30
ZA818269B (en) 1983-06-29
FI74947B (en) 1987-12-31
KR860000189B1 (en) 1986-03-03
IE812785L (en) 1982-05-28
NZ199085A (en) 1985-08-30
TR21827A (en) 1985-08-15
OA06958A (en) 1983-07-31
US4456535A (en) 1984-06-26
PT74046B (en) 1983-04-26
IL64392A0 (en) 1982-02-28
PL134841B1 (en) 1985-09-30
RO83971A (en) 1984-06-21
SU1378781A3 (en) 1988-02-28
PL234005A1 (en) 1982-06-21
IL64392A (en) 1984-10-31
JPS57118011A (en) 1982-07-22
MY8600489A (en) 1986-12-31

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